Investments In Unconsolidated Real Estate Funds (Summary Of Financial Position For Investments In Unconsolidated Real Estate Funds) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Real Estate Investments [Abstract]
Total assets	$ 740,486	$ 741,490
Total liabilities	431,746	431,817
Total equity	$ 308,740	$ 309,673

The amount of assets reported by an equity method investment of the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

The amount of equity (capital), including the noncontrolling interest (if any), reported by an equity method investment of the entity.

+ References+ Details

- Definition

The amount of liabilities reported by an equity method investment of the entity.

+ References

+ Details